In the United Kingdom, the city of Gloucester has a tradition of presenting a pie to the king or queen. But this isn't just any pie, it's a pie made with lamprey. Unfortunately, lamprey were fished nearly to death in the U.K. and are a protected species now. So Gloucester has to look to the former colonies to get the pie's key ingredient.

The English city of Gloucester is preparing to bake a ceremonial pie for Queen Elizabeth II. The recipe calls for sea lampreys which come from Lake Huron. Marc Gaden with the Great Lakes Fishery Commission is in charge of getting the catch to England.

The English city of Gloucester is preparing to bake a ceremonial pie for Queen Elizabeth II. The recipe calls for sea lampreys which come from Lake Huron. Marc Gaden with the Great Lakes Fishery Commission is in charge of getting the catch to England.

In the United Kingdom, the city of Gloucester has a tradition of presenting a pie to the king or queen. But this isn't just any pie, it's a pie made with lamprey. Unfortunately, lamprey were fished nearly to death in the U.K. and are a protected species now. So Gloucester has to look to the former colonies to get the pie's key ingredient.